Answers

Add 70/72 and 45/4

1^st number: 70/72, 2^nd number: 11 1/4

70/72 + 45/4 is 110/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 4 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   70/72 = 70 × 1/72 × 1 = 70/72
3. Likewise, for the 2nd fraction, since 4 × 18 = 72,
   45/4 = 45 × 18/4 × 18 = 810/72
4. Add the two like fractions:
   70/72 + 810/72 = 70 + 810/72 = 880/72
5. 880/72 simplified gives 110/9
6. So, 70/72 + 45/4 = 110/9
   In mixed form: 122/9

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